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Injectives in equational classes of idempotent semigroups

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Abstract

In this paper injectives in the various equational classes of idempotent semigroups are discussed. The classes with enough injectives are determined, and the injectives described in every class.

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Authors and Affiliations

  1. Department of Mathematics, The University of Manitoba, R3T 2N2, Winnipeg, Manitoba, Canada

    J. A. Gerhard

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  1. J. A. Gerhard
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Additional information

Communicated by B. M. Schein

Research supported by the National Research Council of Canada. The author would like to thank Professor Schein for many helpful comments and suggestions.

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Gerhard, J.A. Injectives in equational classes of idempotent semigroups. Semigroup Forum 9, 36–53 (1974). https://doi.org/10.1007/BF02194832

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  • DOI: https://doi.org/10.1007/BF02194832

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